'''United Airlines, Inc.''', commonly referred to as '''United''', is a Major airlines of the United States|major United States|American
airline headquartered in Chicago
[[http://www.united.com/web/en-us/content/travel/destination/routes/served.aspx Destinations Served]. United Airlines Official Statistics. Copyright 2013.]
It is the World's largest airlines|world's largest airline
when measured by number of destinations served, and the second largest when measured by scheduled passenger-kilometres flown. United operates a comprehensive domestic and international route network, and has significant presence in the Asia-Pacific region.
In the late 1920s, just prior to the use of the United Airlines name, Boeing|The Boeing Company
, currently one of the world's largest aircraft manufacturers, operated a predecessor airline. United was previously known as...